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Fuzzy Multistage Optimization of Large-Scale Trusses
Publisher: American Society of Civil Engineers
Abstract: Fuzzy membership functions are implemented in the multistage optimization technique to improve its performance for the minimum weight design of truss structures of fixed topology. First, a large truss is split into several ...
Designing a General Neurocontroller for Water Towers
Publisher: American Society of Civil Engineers
Abstract: This study deals with the capabilities of artificial neural networks in learning to control water towers of different structural properties that are subjected to earthquakes. To this end, water towers were considered as ...
Dynamic Analysis of Nonlinear Frames by Prandtl Neural Networks
Publisher: American Society of Civil Engineers
Abstract: A new type of activation function, based on the use of the Prandtl–Ishlinskii operator, has been developed and used in the feed forward neural networks in order to improve their capabilities in learning to identify and ...
Active Control of Structures Using Neural Networks
Publisher: American Society of Civil Engineers
Abstract: A new neural-network-based control algorithm has been developed and tested in the computer simulation of active control of a three-story frame structure subjected to ground excitations. First, an emulator neural network ...
Vibration Controller Design for Confined Masonry Walls by Distributed Genetic Algorithms
Publisher: American Society of Civil Engineers
Abstract: Active control of confined masonry walls with nonlinear hysteretic response has been studied through numerical simulation in this paper. The objective has been to reduce the response to below the failure level when the ...
Transforming Results from Model to Prototype of Concrete Gravity Dams Using Neural Networks
Publisher: American Society of Civil Engineers
Abstract: A new method using neural networks for the transformation of results from dam models to prototypes has been proposed and validated through application to Koyna and Pine-Flat Dams, which have also been investigated by other ...
Modeling Hysteretic Deteriorating Behavior Using Generalized Prandtl Neural Network
Publisher: American Society of Civil Engineers
Abstract: In this paper, a new kind of activation function using a particular combination of stop and play operators is proposed and used in a feedforward neural network to improve its learning capability in the identification of ...